Structural Serviceability: Floor Vibrations

Ellingwood, B.; Tallin, Andrew

doi:10.1061/(asce)0733-9445(1984)110:2(401)

Cited by 77 publications

(38 citation statements)

References 12 publications

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“…In case of evaluation of vibration serviceability, generally codes and standards present two approaches. First is static deflection caused by nominal live load which is commonly limited to SPAN/360 (A58, 1982) or between SPAN/180 and SPAN/480 in different specifications (ACI 318-77, 1977 andAISC, 1978), and second is the minimum of DEPTH/SPAN for flexural members depending on the end restrains (ACI 318-77, 1977) [14]. Ellingwood and Tallin [14] stated that control of the static deflection is not sufficient to evaluate the vibration serviceability of floors.…”

Section: Introductionmentioning

confidence: 99%

“…Sandun de Silva and Thambiratnam [10], da Silve et al [8], da Silve et al [9], El-Dardiry and Ji [13], Williams and Waldron [37], Chen [6] determined dynamic responses of composite floors under human activities to assess their vibration serviceability. Ellingwood and Tallin [14] mathematically studied the dynamic response of floors under a pragmatic model instead of the pedestrian dynamic load. Experimental serviceability criteria were also reported to minimise the vibration of the floors.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic response of low frequency Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) floor system under human walking load

Gandomkar

Badaruzzaman

Osman

2012

Lat. Am. j. solids struct.

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This paper investigates the dynamic response of a composite structural system known as Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) to evaluate its vibration serviceability under human walking load. For this point, thirteen (13) PSSDBC panels in the category of Low Frequency Floor (LFF) were developed using Finite Element Method (FEM). The natural frequencies and mode shapes of the studied panels were determined based on the developed finite element models. For more realistic evaluation on dynamic response of the panels, dynamic load models representing human walking load were considered based on their Fundamental Natural Frequency (FNF), and also time and space descriptions. The peak accelerations of the panels were determined and compared to the limiting value proposed by the standard code ISO 2631-2. Effects of changing thickness of the Profiled Steel Sheet (PSS), Dry Board (DB), screw spacing, grade of concrete, damping ratio, type of support, and floor span on the dynamic responses of the PSSDBC panels were assessed. Results demonstrated that although some factors reduced dynamic response of the PSSDBC system under human walking load, low frequency PSSDBC floor system could reach high vibration levels resulting in lack of comfortableness for users. Keywords structural composite floor system, profiled steel sheet dry board, vibration serviceability, human walking load, dynamic response, human comfort.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dynamic response of low frequency Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) floor system under human walking load

Gandomkar

Badaruzzaman

Osman

2012

Lat. Am. j. solids struct.

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show abstract

“…Transient vibrations characterized by larger amplitudes and quick dissipation are more easily tolerated by humans than a continuous steady-state vibration [44]. Therefore, at a given amplitude, human perception is much greater under steady state than under transient vibrations, and steady-state vibrations are more likely to be viewed as annoying.…”

Section: Human Body Frequency-weighted Response Energymentioning

confidence: 99%

Development of Absorbed Blasting Vibration Energy Index for the Evaluation of Human Comfort in Multistorey Buildings

Yao

Yang

2017

Shock and Vibration

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There have been civil disputes and complaints regarding the negative effects of blasting vibration on buildings around the blasting site. By considering the effect of blasting vibration on a human body as a process of energy transfer and conversion, the human body absorbed blasting vibration energy (ABVE) index has been developed for comfort evaluation. Using dynamic monitoring and theoretical analysis, the elevation amplification effect and selective amplification effect on different frequency components of the ABVE have been investigated. The elevation amplification factor and selective amplification coefficients on different frequency components of the ABVE index for a typical 4-storey brick and concrete building have been determined. Based on the results, the magnitude and frequency components of the ABVE index in different parts especially in different storeys for the typical building have been determined. According to the characteristics of human body's response to vibrations of different frequencies, the frequency-based weighting method of ABVE index has been simplified. By calculating the combined effect of vibrations from all directions, the total human body ABVE and its frequency components at different floors of the building can be determined accurately. This can be used to evaluate the human body comfort against blasting vibration at different floors.

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“…In this paper, the vertical response are mainly considered under pedestrian loads. The pedestrian incentive curve is introduced here [5], as shown in Figure 3. The horizontal ordinate of single foot curve is the contact time of single foot, vertical ordinate is the vertical force.…”

Section: The Pedestrian Load Modelmentioning

confidence: 99%

Research on Dynamic Characteristics of Boarding Bridge Under the Crowd Loads

Pan¹,

Zhang²

2017

dtetr

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The 45m boarding bridge is taken as the research object in this paper. The transient vibration model is established according to the transient dynamic analysis theory. Based on the dynamic analysis results of the structure under the crowd loads, the TMB vibration reduction analysis is conducted. This method can be used as a reference for analyzing the dynamic characteristics of other boarding bridges under the crowd loads.

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Structural Serviceability: Floor Vibrations

Cited by 77 publications

References 12 publications

Dynamic response of low frequency Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) floor system under human walking load

Dynamic response of low frequency Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) floor system under human walking load

Development of Absorbed Blasting Vibration Energy Index for the Evaluation of Human Comfort in Multistorey Buildings

Research on Dynamic Characteristics of Boarding Bridge Under the Crowd Loads

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